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<div class="textblock"><code>#include &lt;sys/types.h&gt;</code><br />
<code>#include &lt;fcntl.h&gt;</code><br />
<code>#include &lt;sys/stat.h&gt;</code><br />
<code>#include &lt;sys/ioctl.h&gt;</code><br />
<code>#include &lt;stdio.h&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
<code>#include &lt;ctype.h&gt;</code><br />
<code>#include &lt;errno.h&gt;</code><br />
<code>#include &quot;<a class="el" href="ioctl_8h_source.html">ioctl.h</a>&quot;</code><br />
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<p><a href="ioctl__client_8c_source.html">Go to the source code of this file.</a></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This program tests the <a class="el" href="ioctl_8c.html">ioctl.c</a> example file systsem.</p>
<p>Compile with: </p><pre class="fragment">gcc -Wall ioctl_client.c -o ioctl_client
</pre><h2>Source code</h2>
<div class="fragment"><div class="line"><span class="comment">/*</span></div><div class="line"><span class="comment">  FUSE fioclient: FUSE ioctl example client</span></div><div class="line"><span class="comment">  Copyright (C) 2008       SUSE Linux Products GmbH</span></div><div class="line"><span class="comment">  Copyright (C) 2008       Tejun Heo &lt;teheo@suse.de&gt;</span></div><div class="line"><span class="comment"></span></div><div class="line"><span class="comment">  This program tests the ioctl.c example file systsem.</span></div><div class="line"><span class="comment"></span></div><div class="line"><span class="comment">  This program can be distributed under the terms of the GNU GPL.</span></div><div class="line"><span class="comment">  See the file COPYING.</span></div><div class="line"><span class="comment">*/</span></div><div class="line"></div><div class="line"><span class="preprocessor">#include &lt;sys/types.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;fcntl.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;sys/stat.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;sys/ioctl.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;stdio.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;ctype.h&gt;</span></div><div class="line"><span class="preprocessor">#include &lt;errno.h&gt;</span></div><div class="line"><span class="preprocessor">#include &quot;<a class="code" href="ioctl_8h.html">ioctl.h</a>&quot;</span></div><div class="line"></div><div class="line"><span class="keyword">const</span> <span class="keywordtype">char</span> *usage =</div><div class="line"><span class="stringliteral">&quot;Usage: fioclient FIOC_FILE [size]\n&quot;</span></div><div class="line"><span class="stringliteral">&quot;\n&quot;</span></div><div class="line"><span class="stringliteral">&quot;Get size if &lt;size&gt; is omitted, set size otherwise\n&quot;</span></div><div class="line"><span class="stringliteral">&quot;\n&quot;</span>;</div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div><div class="line">{</div><div class="line">        <span class="keywordtype">size_t</span> size;</div><div class="line">        <span class="keywordtype">int</span> fd;</div><div class="line"></div><div class="line">        <span class="keywordflow">if</span> (argc &lt; 2) {</div><div class="line">                fprintf(stderr, <span class="stringliteral">&quot;%s&quot;</span>, usage);</div><div class="line">                <span class="keywordflow">return</span> 1;</div><div class="line">        }</div><div class="line"></div><div class="line">        fd = open(argv[1], O_RDWR);</div><div class="line">        <span class="keywordflow">if</span> (fd &lt; 0) {</div><div class="line">                perror(<span class="stringliteral">&quot;open&quot;</span>);</div><div class="line">                <span class="keywordflow">return</span> 1;</div><div class="line">        }</div><div class="line"></div><div class="line">        <span class="keywordflow">if</span> (argc == 2) {</div><div class="line">                <span class="keywordflow">if</span> (ioctl(fd, FIOC_GET_SIZE, &amp;size)) {</div><div class="line">                        perror(<span class="stringliteral">&quot;ioctl&quot;</span>);</div><div class="line">                        <span class="keywordflow">return</span> 1;</div><div class="line">                }</div><div class="line">                printf(<span class="stringliteral">&quot;%zu\n&quot;</span>, size);</div><div class="line">        } <span class="keywordflow">else</span> {</div><div class="line">                size = strtoul(argv[2], NULL, 0);</div><div class="line">                <span class="keywordflow">if</span> (ioctl(fd, FIOC_SET_SIZE, &amp;size)) {</div><div class="line">                        perror(<span class="stringliteral">&quot;ioctl&quot;</span>);</div><div class="line">                        <span class="keywordflow">return</span> 1;</div><div class="line">                }</div><div class="line">        }</div><div class="line">        <span class="keywordflow">return</span> 0;</div><div class="line">}</div></div><!-- fragment --> 
<p class="definition">Definition in file <a class="el" href="ioctl__client_8c_source.html">ioctl_client.c</a>.</p>
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